11914817 has 4 divisors (see below), whose sum is σ = 11959380. Its totient is φ = 11870256.

The previous prime is 11914813. The next prime is 11914823. The reversal of 11914817 is 71841911.

11914817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5340721 + 6574096 = 2311^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 11914817 - 2² = 11914813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11914813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21878 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (2989845).

Almost surely, 2^11914817 is an apocalyptic number.

It is an amenable number.

11914817 is a deficient number, since it is larger than the sum of its proper divisors (44563).

11914817 is an equidigital number, since it uses as much as digits as its factorization.

11914817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44562.

The product of its digits is 2016, while the sum is 32.

The square root of 11914817 is about 3451.7846108933. The cubic root of 11914817 is about 228.3998383127.

The spelling of 11914817 in words is "eleven million, nine hundred fourteen thousand, eight hundred seventeen".